#include<stdio.h>

main() {
    float fahr, celsius;
    int lower, upper, step;

    lower = 0;
    upper = 300;
    step = 20;

    celsius = lower;

    printf("Celsius     Fahr\n");

    while (celsius <= upper) {
        fahr = celsius * (9.0 / 5.0) + 32.0;
        printf("%7.0f %8.1f\n", celsius, fahr);
        celsius += step;
    }

}